Christmas carols:

A Holly Jolly Christmas
Christmas Time is Here
Frosty the Snowman
Have Yourself a Merry Little Christmas
Home for the Holidays
I Want a Hippopotamus for Christmas
I’ll Be Home for Christmas
It’s Beginning to Look a Lot Like Christmas
Most Wonderful Time of the Year
O Holy Night
Rudolph the Red-Nosed Reindeer
Silent Night
The Christmas Song
The First Noel
Twelve Days of Christmas (& alt. version)
Winter Wonderland
You’re a Mean One Mr. Grinch
White Christmas
Winter Song

Disney Songs:

A Whole New World
Be a Man
Be Our Guest
Be Prepared
Beauty and the Beast
Belle
Colors of the Wind
Ducktales Theme
Everybody Wants to be a Cat
Gaston
Go the Distance
Hakuna Matata
Honor to Us All
How Far I’ll Go
I Won’t Say (I’m in Love)
I’ve Got a Dream
Into the Unknown
Let It Go
Love is an Open Door
Make a Man Out of You
One Jump
Part of Your World
Reflection
Scales and Arpeggios 
See the Light
Something There
The Bare Necessities
Two Worlds
When Will My Life Begin
Winnie the Pooh Theme
You’ll Be in My Heart
You’re Welcome
Zero to Hero

Musicals Songs:

Agony from Into the Woods
Defying Gravity from Wicked
Diva’s Lament from Spamalot
Giants in the Sky from Into the Woods
Mama Who Bore Me from Spring Awakening
Popular from Wicked

Other Songs: 

Gravity by Sarah Bareilles
Gravity by John Mayer